Measurements:
°C
°F
CURRENT WEATHER
11:39
Hilo
82°F
SW 10 mph
Feels like: 86°F
Precip: 24%
World Resorts USA Hilo Weather

7 Day Weather Forecast

08.25
tue
DAY
82°F
SW 10 mph
precip
24%
NIGHT
80°F
SW 9 mph
precip
26%
08.26
wed
DAY
80°F
SW 10 mph
precip
36%
NIGHT
78°F
S 2 mph
precip
17%
08.27
thu
DAY
80°F
SW 8 mph
precip
25%
NIGHT
80°F
SW 8 mph
precip
17%
08.28
fri
DAY
80°F
SW 8 mph
precip
18%
NIGHT
80°F
SW 6 mph
precip
18%
08.29
sat
DAY
80°F
SW 5 mph
precip
19%
NIGHT
78°F
W 2 mph
precip
21%
08.30
sun
DAY
82°F
W 8 mph
precip
43%
NIGHT
80°F
S 7 mph
precip
28%
08.31
mon
DAY
82°F
S 9 mph
precip
29%
NIGHT
82°F
SW 9 mph
precip
65%

Hilo Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Hilo was 27.2°F. The maximum and minimum values were 26.6°F and 27.7°F respectively.

Hilo on the Weather Map

Best Time to Visit Hilo
The most sunny months:
January 17 days
October 15 days
September 14 days
The most warm months:
September 81.3 °F
August 81.1 °F
October 81.0 °F
Warmest sea temperature:
September 83.7 °F
October 83.3 °F
August 83.2 °F
The most cold months:
March 75.8 °F
February 75.9 °F
April 76.0 °F
The most rainy months:
March 6 days
November 5 days
February 5 days
The most windy months:
March 8 mph
April 8 mph
August 8 mph
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